From patchwork Fri Oct 20 13:38:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Jackson X-Patchwork-Id: 10020273 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C38C9603B5 for ; Fri, 20 Oct 2017 13:39:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC74E28ED8 for ; Fri, 20 Oct 2017 13:39:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B0F5028EE3; Fri, 20 Oct 2017 13:39:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6FEC228ED8 for ; Fri, 20 Oct 2017 13:39:56 +0000 (UTC) Received: from localhost ([::1]:54086 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5XWl-0005Bh-K3 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 20 Oct 2017 09:39:55 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36318) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5XVc-0005A0-8A for qemu-devel@nongnu.org; Fri, 20 Oct 2017 09:38:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e5XVY-0002ty-Iv for qemu-devel@nongnu.org; Fri, 20 Oct 2017 09:38:44 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:19492) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1e5XVY-0002qS-Bb for qemu-devel@nongnu.org; Fri, 20 Oct 2017 09:38:40 -0400 X-IronPort-AV: E=Sophos;i="5.43,405,1503360000"; d="scan'208";a="455218938" From: Ian Jackson To: Date: Fri, 20 Oct 2017 14:38:22 +0100 Message-ID: <1508506702-17704-8-git-send-email-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1508506702-17704-1-git-send-email-ian.jackson@eu.citrix.com> References: <23017.64539.31230.43449@mariner.uk.xensource.com> <1508506702-17704-1-git-send-email-ian.jackson@eu.citrix.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.63 Subject: [Qemu-devel] [PATCH v5.1 8/8] configure: do_compiler: Dump some extra info under bash X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Stefano Stabellini , Ian Jackson , Ross Lagerwall , Anthony PERARD , xen-devel@lists.xenproject.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This makes it much easier to find a particular thing in config.log. The information may be lacking in other shells, resulting in harmless empty output. (This is why we don't use the proper ${FUNCNAME[*]} array syntax - other shells will choke on that.) The extra output is only printed if configure is run with bash. The something), it is necessary to say bash ./configure to get the extra debug info in the log. Signed-off-by: Ian Jackson --- v4: No longer tag this patch RFC. --- configure | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/configure b/configure index 6f691df..21a2b15 100755 --- a/configure +++ b/configure @@ -60,6 +60,10 @@ do_compiler() { # is compiler binary to execute. local compiler="$1" shift + echo >>config.log " +funcs: ${FUNCNAME} +lines: ${BASH_LINENO} +files: ${BASH_SOURCE}" echo $compiler "$@" >> config.log $compiler "$@" >> config.log 2>&1 || return $? # Test passed. If this is an --enable-werror build, rerun